2540311234 has 4 divisors (see below), whose sum is σ = 3810466854. Its totient is φ = 1270155616.

The previous prime is 2540311219. The next prime is 2540311271. The reversal of 2540311234 is 4321130452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2376855009 + 163456225 = 48753^2 + 12785^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2540311199 and 2540311208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635077807 + ... + 635077810.

Almost surely, 2^2540311234 is an apocalyptic number.

2540311234 is a deficient number, since it is larger than the sum of its proper divisors (1270155620).

2540311234 is a wasteful number, since it uses less digits than its factorization.

2540311234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270155619.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2540311234 is about 50401.5003149708. The cubic root of 2540311234 is about 1364.4647158944.

Adding to 2540311234 its reverse (4321130452), we get a palindrome (6861441686).

The spelling of 2540311234 in words is "two billion, five hundred forty million, three hundred eleven thousand, two hundred thirty-four".